/**
 * Copyright 2016 Twitter. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package com.twitter.graphjet.algorithms.salsa.subgraph;

import com.twitter.graphjet.algorithms.salsa.SalsaNodeVisitor;

public class FinalSubgraphSalsaIteration extends LeftSubgraphSalsaIteration {
  /**
   * This constructs a left-to-right iteration on the subgraph that will also construct the social
   * proof while running the iteration
   *
   * @param salsaSubgraphInternalState  contains all the internal state for the subgraph iteration
   */
  public FinalSubgraphSalsaIteration(SalsaSubgraphInternalState salsaSubgraphInternalState) {
    super(
        salsaSubgraphInternalState,
        new SalsaNodeVisitor.WeightedNodeVisitorWithSocialProof(
            salsaSubgraphInternalState.getVisitedRightNodes()));
  }

  @Override
  public void runSingleIteration() {
    LOG.info("SALSA: running final subgraph iteration");
    salsaSubgraphInternalState.traverseSubgraphLeftToRight(nodeVisitor);
  }
}
